Tone down roast bot: more positive, less frequent

- Add guidance for ~25% genuinely positive/hype responses
- Lean toward playful ribbing over pure negativity
- Reduce reply_chance from 35% to 20%
- Increase proactive_cooldown_messages from 5 to 8

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

config.yaml

@@ -48,7 +48,7 @@ messages:
 
 modes:
   default_mode: roast
-  proactive_cooldown_messages: 5  # Minimum messages between proactive replies
+  proactive_cooldown_messages: 8  # Minimum messages between proactive replies
 
   default:
     label: "Default"
@@ -76,7 +76,7 @@ modes:
     description: "Savage roast mode"
     prompt_file: "chat_roast.txt"
     proactive_replies: true
-    reply_chance: 0.35
+    reply_chance: 0.20
     moderation: relaxed
     relaxed_thresholds:
       warning_threshold: 0.85